Ascidiacea |
Stolidobranchia |
Styelidae
Environment: milieu / climate zone / depth range / distribution range
Ecology
Sessile; depth range 0 - 20 m (Ref. 865). Temperate
Eastern Pacific. Temperate to subtropical.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?  range ? - ? cm Max length : 20.0 cm COLD male/unsexed; (Ref. 865)
It is found on rocks from the low intertidal to a depth of 20 meters (Ref. 865).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Members of the class Ascidiacea are hermaphroditic; both cross- and self-fertilization is typical. Life cycle: Eggs develop into lecithotrophic larva before metamorphosing into benthic adults.
Tokioka, T. 1963 Contributions to Japanese Ascidian fauna. XX. The outline of Japanese ascidian fauna as compared with that of the Pacific Coasts of North America. Publ. Seto mar. Biol. Lab. 11:131-156. (Ref. 3705)
IUCN Red List Status
(Ref. 130435: Version 2025-1)
CITES status (Ref. 108899)
Not Evaluated
Not Evaluated
Threat to humans
Human uses
| FishSource |
Tools
More information
Trophic EcologyFood items (preys)
Diet composition
Food consumption
Predators
Population dynamicsGrowthMax. ages / sizesLength-weight rel.Length-length rel.Length-frequenciesMass conversionAbundance Life cycleReproductionMaturityFecunditySpawningEggsEgg developmentLarvae PhysiologyOxygen consumption
Human RelatedStamps, coins, misc.
Internet sources
Estimates based on models
Preferred temperature
(Ref.
115969): 8.9 - 17.8, mean 10.4 (based on 137 cells).
Fishing Vulnerability
Low vulnerability (10 of 100).
Price category
Unknown.